-3n-7=-n+15

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Solution for -3n-7=-n+15 equation:


Simplifying
-3n + -7 = -1n + 15

Reorder the terms:
-7 + -3n = -1n + 15

Reorder the terms:
-7 + -3n = 15 + -1n

Solving
-7 + -3n = 15 + -1n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add 'n' to each side of the equation.
-7 + -3n + n = 15 + -1n + n

Combine like terms: -3n + n = -2n
-7 + -2n = 15 + -1n + n

Combine like terms: -1n + n = 0
-7 + -2n = 15 + 0
-7 + -2n = 15

Add '7' to each side of the equation.
-7 + 7 + -2n = 15 + 7

Combine like terms: -7 + 7 = 0
0 + -2n = 15 + 7
-2n = 15 + 7

Combine like terms: 15 + 7 = 22
-2n = 22

Divide each side by '-2'.
n = -11

Simplifying
n = -11

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